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6.10.1

Today, we are issuing a 6.10.1 patch release.

Bug fixes

In Prisma ORM version 6.10.0, we shipped a bug fix for Prisma Migrate that ensured we always gracefully closed PostgreSQL connections by sending the Terminate message and not just abruptly closing the TCP connection. This fix was incomplete because it didn't work on Windows, which is now fixed. We highly recommend upgrading to version 6.10.1 if you are using Windows.

We also recommend upgrading to this version if you are currently using local Prisma Postgres via the prisma dev command with an ORM version older than 6.10.x.

Performance improvements

The queryCompiler preview feature recently introduced a performance regression related to in-memory joins in TypeScript-based query execution (users who use the queryCompiler and the relationJoins preview features together were not affected, unless using relationLoadStrategy: "query"). This has now been fixed, leading to significant performance improvements: in our Query Compiler benchmarks, we are seeing up to 500x performance improvement compared to the previous implementation in the TypeScript-based query executor, or up to 10–20x performance improvement compared to the Rust-based Query Engine.

Other news

Please see the release notes for Prisma ORM 6.10.0 for other recent news and announcements.

6.10.0

Today, we are excited to share the 6.10.0 stable release 🎉 

🌟 Help us spread the word about Prisma by starring the repo ☝️ or posting on X about the release.

Highlights

No Rust engines for MS SQL Server & PlanetScale (Preview)

We are in the process of removing the Rust engines from Prisma ORM. If you want to try this, you can configure your generator like this:

generator client {
  provider        = "prisma-client-js" // or `prisma-client`
  output          = "../generated/prisma"
  previewFeatures = ["queryCompiler", "driverAdapters"]
}

In this release, we are excited to move the queryCompiler (which enables using Prisma ORM without Rust engines) into Preview for MS SQL Server and PlanetScale (via the new @prisma/adapter-mssql and existing @prisma/adapter-planetscale driver adapters).

📚Learn more in the docs.

Manage local Prisma Postgres instances in VS Code

We recently released a database management UI as part of the Prisma VS Code extension to enable visual database management workflows for Prisma Postgres. In this release, we added new functionality to it: You can now manage multiple local Prisma Postgres instances via the same UI. To try it, find the Prisma logo in VS Code’s sidebar and start managing your local Prisma Postgres instances (no Docker required).

📚 Learn more in the docs.

Performance improvements for prisma migrate dev

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